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US approves sale of Nvidia's advanced AI chips to China
，详情可参考新收录的资料
CR450动车组从起步到提速至时速350公里，只需要4分40秒，而此前正在运行的时速350公里复兴号动车组则是需要6分20秒，这个提速的周期缩短了100秒。
Фото: Prostock-studio / Shutterstock / Fotodom
Global warming has accelerated significantly since 2015. Over the past 10 years, the warming rate has been around 0.35°C per decade, compared with just under 0.2°C per decade on average from 1970 to 2015.
· 赵敏 · 来源：tutorial资讯